Fernandina Tortoise Thought to Be Extinct For 113 Years Discovered on Galapagos Island

Rare Frog Named Romeo Finds His Juliet After Sending Out Unanswered Mating Calls for Years

Where Is Amy Yu? Teen and Man, 45, Allegedly in 'Secretive Relationship' Vanish

Something Newt and Different: 12 Rare Amphibians Hatch for First Time Outside Native Habitat

African Elephant Receives Treatment by Rescuers After Taking Spear to the Back

Giant Otter Gets Root Canal Surgery on 2 Teeth

Baby Rhino Begs Mom for Attention on World Rhino Day

Zoo's Infant Snow Leopard Makes Its Public Debut at Zoo

Tiger That Got Loose on Georgia Highway Shot Dead After Attacking Dog

Teen Smuggled Bengal Tiger Cub Into U.S. From Mexico, Authorities Allege